22315313351 has 4 divisors (see below), whose sum is σ = 22584172632. Its totient is φ = 22046454072.

The previous prime is 22315313333. The next prime is 22315313357. The reversal of 22315313351 is 15331351322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22315313351 is a prime.

It is a super-3 number, since 3×22315313351³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315313357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134429516 + ... + 134429681.

It is an arithmetic number, because the mean of its divisors is an integer number (5646043158).

Almost surely, 2^22315313351 is an apocalyptic number.

22315313351 is a deficient number, since it is larger than the sum of its proper divisors (268859281).

22315313351 is an equidigital number, since it uses as much as digits as its factorization.

22315313351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268859280.

The product of its digits is 8100, while the sum is 29.

Adding to 22315313351 its reverse (15331351322), we get a palindrome (37646664673).

The spelling of 22315313351 in words is "twenty-two billion, three hundred fifteen million, three hundred thirteen thousand, three hundred fifty-one".